Home / 2,479.83-3,422.21-1,360.77

Finding the Fourth Proportional to 2,479.83, 3,422.21 and 1,360.77

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Solution

The fourth proportional to 2,479.83, 3,422.21 and 1,360.77 is: 1,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.83 : 3,422.21 = 1,360.77 : x
  2. Step 2: Convert to fraction form
    2,479.83/3,422.21 = 1,360.77/x
  3. Step 3: Cross multiply
    2,479.83x = 3,422.21 × 1,360.77
  4. Step 4: Simplify right side
    2,479.83x = 4,656,833.90
  5. Step 5: Solve for x
    x = 4,656,833.90/2,479.83
  6. Step 6: Final answer
    x = 1,877.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.